Read the infix expression from left to right, one character at a time.

从左到右读入中缀表达式，每次一个字符。

youdao

Read the infix expression from left to right , one character at a time.

从左到右读入中缀表达式，每次一个字符。

youdao

Read the infix expression from left to right , one character at a time.

从左到右读入中缀表达式，每次一个字符。

youdao